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Quiz 1
Pre cal
Term | Definition |
---|---|
2π | 360 degrees |
π | 180 degrees |
3π/2 | 270 degrees |
π/2 | 90 degrees |
π/3 | 60 degrees |
π/4 | 45 degrees |
π/6 | 30 degrees |
Quotient Identities | tan Θ= sinΘ/cosΘ; cot Θ=cosΘ/sinΘ |
Pythagorean Identities | sin^2Θ + cos^2Θ= 1; 1 + tan^2Θ= sec^2Θ; 1 + cot^2Θ= csc^2Θ |
Confunction identities | sinΘ= cos(90 degrees-Θ); tanΘ=cot(90 degrees-Θ); secΘ= csc(90 degrees -Θ) |